im posting this for a friend who is unsure of which arrows to purchase. he is looking at getting a dozen gold tip xt hunter arrows the queston is which spine. his arrow length that he is shooting now is 29-1/2 inches long he is shooting a pse stingray at 62#. we need your opinion on weather he sould get the 55/75 spine or 75/95 he is right on the bubble according to gold tips chart. any help is deeplyappreciated thanks